🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503

Radius: 9.4

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.65 AU - 0.95 AU

Year: 462 Days

Day: 5.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,219,371 km

• M1: 116,836 km (0.086 R)
• M2: 506,538 km (0.091 R)
• M3: 1,023,848 km (0.113 R)
• M4: 1,384,827 km (0.094 R)
• M5: 1,712,746 km (0.067 R)
• M6: 2,220,032 km (0.096 R)
• M7: 2,897,412 km (0.039 R)
• M8: 3,244,927 km (0.092 R)
• M9: 4,170,639 km (0.07 R)
• M10: 4,909,503 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.1

Radius: 14.2

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.47 AU - 1.57 AU

Year: 1210 Days

Day: 10.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,219,371 km

• M1: 194,776 km (0.099 R)
• M2: 660,026 km (0.074 R)
• M3: 1,297,462 km (0.113 R)
• M4: 1,770,042 km (0.067 R)
• M5: 2,290,643 km (0.084 R)
• M6: 2,846,698 km (0.043 R)
• M7: 3,355,779 km (0.119 R)
• M8: 3,909,142 km (0.091 R)
• M9: 4,748,386 km (0.032 R)
• M10: 5,221,714 km (0.106 R)
• M11: 6,403,537 km (0.084 R)
• M12: 8,109,701 km (0.082 R)
• M13: 8,876,838 km (0.088 R)
• M14: 10,198,386 km (0.102 R)
• M15: 10,856,018 km (0.12 R)
• M16: 11,367,643 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.4

Radius: 13.9

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.39 AU - 1.91 AU

Year: 1368 Days

Day: 6.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,219,371 km

• M1: 176,226 km (0.106 R)
• M2: 630,705 km (0.115 R)
• M3: 1,097,450 km (0.102 R)
• M4: 1,551,779 km (0.066 R)
• M5: 2,237,685 km (0.077 R)
• M6: 2,793,591 km (0.097 R)
• M7: 3,270,359 km (0.08 R)
• M8: 3,887,151 km (0.118 R)
• M9: 6,630,776 km (0.117 R)
• M10: 7,115,623 km (0.063 R)
• M11: 7,569,353 km (0.067 R)
• M12: 8,185,547 km (0.06 R)
• M13: 9,048,577 km (0.11 R)
• M14: 11,563,317 km (0.092 R)
• M15: 12,079,878 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.5

Radius: 10.1

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.32 AU - 2.08 AU

Year: 1431 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,219,371 km

• M1: 126,859 km (0.112 R)
• M2: 514,766 km (0.105 R)
• M3: 951,742 km (0.097 R)
• M4: 1,395,299 km (0.057 R)
• M5: 2,314,728 km (0.077 R)
• M6: 2,666,732 km (0.068 R)
• M7: 3,254,352 km (0.091 R)
• M8: 3,837,634 km (0.101 R)
• M9: 4,372,297 km (0.107 R)
• M10: 5,988,104 km (0.097 R)
• M11: 7,626,200 km (0.104 R)
• M12: 9,708,752 km (0.089 R)
• M13: 10,283,657 km (0.102 R)
• M14: 10,952,808 km (0.034 R)
• M15: 11,390,232 km (0.104 R)
• M16: 12,145,103 km (0.107 R)
• M17: 13,923,074 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.6

Radius: 8.1

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.64 AU - 2.54 AU

Year: 1951 Days

Day: 12.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,219,371 km

• M1: 100,679 km (0.072 R)
• M2: 432,487 km (0.082 R)
• M3: 702,960 km (0.11 R)
• M4: 1,395,150 km (0.115 R)
• M5: 2,007,753 km (0.084 R)
• M6: 2,888,735 km (0.095 R)
• M7: 3,254,053 km (0.109 R)
• M8: 3,757,151 km (0.058 R)
• M9: 4,034,804 km (0.108 R)
• M10: 4,773,518 km (0.062 R)
• M11: 5,652,855 km (0.085 R)
• M12: 5,925,572 km (0.067 R)
• M13: 6,206,965 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.1

Radius: 14

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.11 AU - 5.49 AU

Year: 7878 Days

Day: 5.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,219,371 km

• M1: 175,329 km (0.046 R)
• M2: 761,453 km (0.119 R)
• M3: 1,425,518 km (0.069 R)
• M4: 3,183,891 km (0.113 R)
• M5: 4,110,052 km (0.093 R)
• M6: 7,397,615 km (0.054 R)
• M7: 10,268,697 km (0.074 R)
• M8: 10,825,351 km (0.107 R)
• M9: 12,666,003 km (0.088 R)
• M10: 13,357,145 km (0.118 R)
• M11: 15,086,048 km (0.119 R)
• M12: 16,318,734 km (0.1 R)
• M13: 17,617,543 km (0.085 R)
• M14: 21,579,194 km (0.105 R)
• M15: 23,582,459 km (0.085 R)
• M16: 24,629,345 km (0.094 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 11,142 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit